11b866434SDaniel Borkmann /* SCTP kernel implementation 21b866434SDaniel Borkmann * (C) Copyright IBM Corp. 2001, 2004 31b866434SDaniel Borkmann * Copyright (c) 1999-2000 Cisco, Inc. 41b866434SDaniel Borkmann * Copyright (c) 1999-2001 Motorola, Inc. 51b866434SDaniel Borkmann * Copyright (c) 2002 Intel Corp. 61b866434SDaniel Borkmann * 71b866434SDaniel Borkmann * This file is part of the SCTP kernel implementation 81b866434SDaniel Borkmann * 91b866434SDaniel Borkmann * This header represents the structures and constants needed to support 101b866434SDaniel Borkmann * the SCTP Extension to the Sockets API. 111b866434SDaniel Borkmann * 121b866434SDaniel Borkmann * This SCTP implementation is free software; 131b866434SDaniel Borkmann * you can redistribute it and/or modify it under the terms of 141b866434SDaniel Borkmann * the GNU General Public License as published by 151b866434SDaniel Borkmann * the Free Software Foundation; either version 2, or (at your option) 161b866434SDaniel Borkmann * any later version. 171b866434SDaniel Borkmann * 181b866434SDaniel Borkmann * This SCTP implementation is distributed in the hope that it 191b866434SDaniel Borkmann * will be useful, but WITHOUT ANY WARRANTY; without even the implied 201b866434SDaniel Borkmann * ************************ 211b866434SDaniel Borkmann * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 221b866434SDaniel Borkmann * See the GNU General Public License for more details. 231b866434SDaniel Borkmann * 241b866434SDaniel Borkmann * You should have received a copy of the GNU General Public License 254b2f13a2SJeff Kirsher * along with GNU CC; see the file COPYING. If not, see 264b2f13a2SJeff Kirsher * <http://www.gnu.org/licenses/>. 271b866434SDaniel Borkmann * 281b866434SDaniel Borkmann * Please send any bug reports or fixes you make to the 291b866434SDaniel Borkmann * email address(es): 3091705c61SDaniel Borkmann * lksctp developers <linux-sctp@vger.kernel.org> 311b866434SDaniel Borkmann * 321b866434SDaniel Borkmann * Or submit a bug report through the following website: 331b866434SDaniel Borkmann * http://www.sf.net/projects/lksctp 341b866434SDaniel Borkmann * 351b866434SDaniel Borkmann * Written or modified by: 361b866434SDaniel Borkmann * La Monte H.P. Yarroll <piggy@acm.org> 371b866434SDaniel Borkmann * R. Stewart <randall@sctp.chicago.il.us> 381b866434SDaniel Borkmann * K. Morneau <kmorneau@cisco.com> 391b866434SDaniel Borkmann * Q. Xie <qxie1@email.mot.com> 401b866434SDaniel Borkmann * Karl Knutson <karl@athena.chicago.il.us> 411b866434SDaniel Borkmann * Jon Grimm <jgrimm@us.ibm.com> 421b866434SDaniel Borkmann * Daisy Chang <daisyc@us.ibm.com> 431b866434SDaniel Borkmann * Ryan Layer <rmlayer@us.ibm.com> 441b866434SDaniel Borkmann * Ardelle Fan <ardelle.fan@intel.com> 451b866434SDaniel Borkmann * Sridhar Samudrala <sri@us.ibm.com> 461b866434SDaniel Borkmann * Inaky Perez-Gonzalez <inaky.gonzalez@intel.com> 471b866434SDaniel Borkmann * Vlad Yasevich <vladislav.yasevich@hp.com> 481b866434SDaniel Borkmann * 491b866434SDaniel Borkmann * Any bugs reported given to us we will try to fix... any fixes shared will 501b866434SDaniel Borkmann * be incorporated into the next SCTP release. 511b866434SDaniel Borkmann */ 521b866434SDaniel Borkmann 531b866434SDaniel Borkmann #ifndef _UAPI_SCTP_H 541b866434SDaniel Borkmann #define _UAPI_SCTP_H 551b866434SDaniel Borkmann 561b866434SDaniel Borkmann #include <linux/types.h> 571b866434SDaniel Borkmann #include <linux/socket.h> 581b866434SDaniel Borkmann 591b866434SDaniel Borkmann typedef __s32 sctp_assoc_t; 601b866434SDaniel Borkmann 611b866434SDaniel Borkmann /* The following symbols come from the Sockets API Extensions for 621b866434SDaniel Borkmann * SCTP <draft-ietf-tsvwg-sctpsocket-07.txt>. 631b866434SDaniel Borkmann */ 641b866434SDaniel Borkmann #define SCTP_RTOINFO 0 651b866434SDaniel Borkmann #define SCTP_ASSOCINFO 1 661b866434SDaniel Borkmann #define SCTP_INITMSG 2 671b866434SDaniel Borkmann #define SCTP_NODELAY 3 /* Get/set nodelay option. */ 681b866434SDaniel Borkmann #define SCTP_AUTOCLOSE 4 691b866434SDaniel Borkmann #define SCTP_SET_PEER_PRIMARY_ADDR 5 701b866434SDaniel Borkmann #define SCTP_PRIMARY_ADDR 6 711b866434SDaniel Borkmann #define SCTP_ADAPTATION_LAYER 7 721b866434SDaniel Borkmann #define SCTP_DISABLE_FRAGMENTS 8 731b866434SDaniel Borkmann #define SCTP_PEER_ADDR_PARAMS 9 741b866434SDaniel Borkmann #define SCTP_DEFAULT_SEND_PARAM 10 751b866434SDaniel Borkmann #define SCTP_EVENTS 11 761b866434SDaniel Borkmann #define SCTP_I_WANT_MAPPED_V4_ADDR 12 /* Turn on/off mapped v4 addresses */ 771b866434SDaniel Borkmann #define SCTP_MAXSEG 13 /* Get/set maximum fragment. */ 781b866434SDaniel Borkmann #define SCTP_STATUS 14 791b866434SDaniel Borkmann #define SCTP_GET_PEER_ADDR_INFO 15 801b866434SDaniel Borkmann #define SCTP_DELAYED_ACK_TIME 16 811b866434SDaniel Borkmann #define SCTP_DELAYED_ACK SCTP_DELAYED_ACK_TIME 821b866434SDaniel Borkmann #define SCTP_DELAYED_SACK SCTP_DELAYED_ACK_TIME 831b866434SDaniel Borkmann #define SCTP_CONTEXT 17 841b866434SDaniel Borkmann #define SCTP_FRAGMENT_INTERLEAVE 18 851b866434SDaniel Borkmann #define SCTP_PARTIAL_DELIVERY_POINT 19 /* Set/Get partial delivery point */ 861b866434SDaniel Borkmann #define SCTP_MAX_BURST 20 /* Set/Get max burst */ 871b866434SDaniel Borkmann #define SCTP_AUTH_CHUNK 21 /* Set only: add a chunk type to authenticate */ 881b866434SDaniel Borkmann #define SCTP_HMAC_IDENT 22 891b866434SDaniel Borkmann #define SCTP_AUTH_KEY 23 901b866434SDaniel Borkmann #define SCTP_AUTH_ACTIVE_KEY 24 911b866434SDaniel Borkmann #define SCTP_AUTH_DELETE_KEY 25 921b866434SDaniel Borkmann #define SCTP_PEER_AUTH_CHUNKS 26 /* Read only */ 931b866434SDaniel Borkmann #define SCTP_LOCAL_AUTH_CHUNKS 27 /* Read only */ 941b866434SDaniel Borkmann #define SCTP_GET_ASSOC_NUMBER 28 /* Read only */ 951b866434SDaniel Borkmann #define SCTP_GET_ASSOC_ID_LIST 29 /* Read only */ 961b866434SDaniel Borkmann #define SCTP_AUTO_ASCONF 30 971b866434SDaniel Borkmann #define SCTP_PEER_ADDR_THLDS 31 980d3a421dSGeir Ola Vaagland #define SCTP_RECVRCVINFO 32 992347c80fSGeir Ola Vaagland #define SCTP_RECVNXTINFO 33 1006b3fd5f3SGeir Ola Vaagland #define SCTP_DEFAULT_SNDINFO 34 1011b866434SDaniel Borkmann 1021b866434SDaniel Borkmann /* Internal Socket Options. Some of the sctp library functions are 1031b866434SDaniel Borkmann * implemented using these socket options. 1041b866434SDaniel Borkmann */ 1051b866434SDaniel Borkmann #define SCTP_SOCKOPT_BINDX_ADD 100 /* BINDX requests for adding addrs */ 1061b866434SDaniel Borkmann #define SCTP_SOCKOPT_BINDX_REM 101 /* BINDX requests for removing addrs. */ 1071b866434SDaniel Borkmann #define SCTP_SOCKOPT_PEELOFF 102 /* peel off association. */ 1081b866434SDaniel Borkmann /* Options 104-106 are deprecated and removed. Do not use this space */ 1091b866434SDaniel Borkmann #define SCTP_SOCKOPT_CONNECTX_OLD 107 /* CONNECTX old requests. */ 1101b866434SDaniel Borkmann #define SCTP_GET_PEER_ADDRS 108 /* Get all peer address. */ 1111b866434SDaniel Borkmann #define SCTP_GET_LOCAL_ADDRS 109 /* Get all local address. */ 1121b866434SDaniel Borkmann #define SCTP_SOCKOPT_CONNECTX 110 /* CONNECTX requests. */ 1131b866434SDaniel Borkmann #define SCTP_SOCKOPT_CONNECTX3 111 /* CONNECTX requests (updated) */ 1141b866434SDaniel Borkmann #define SCTP_GET_ASSOC_STATS 112 /* Read only */ 11528aa4c26SXin Long #define SCTP_PR_SUPPORTED 113 116f959fb44SXin Long #define SCTP_DEFAULT_PRINFO 114 117826d253dSXin Long #define SCTP_PR_ASSOC_STATUS 115 118d229d48dSXin Long #define SCTP_PR_STREAM_STATUS 116 119c0d8bab6SXin Long #define SCTP_RECONFIG_SUPPORTED 117 1209fb657aeSXin Long #define SCTP_ENABLE_STREAM_RESET 118 1217f9d68acSXin Long #define SCTP_RESET_STREAMS 119 122a92ce1a4SXin Long #define SCTP_RESET_ASSOC 120 123242bd2d5SXin Long #define SCTP_ADD_STREAMS 121 1242cb5c8e3SNeil Horman #define SCTP_SOCKOPT_PEELOFF_FLAGS 122 12513aa8770SMarcelo Ricardo Leitner #define SCTP_STREAM_SCHEDULER 123 1260ccdf3c7SMarcelo Ricardo Leitner #define SCTP_STREAM_SCHEDULER_VALUE 124 127f959fb44SXin Long 128f959fb44SXin Long /* PR-SCTP policies */ 129f959fb44SXin Long #define SCTP_PR_SCTP_NONE 0x0000 130f959fb44SXin Long #define SCTP_PR_SCTP_TTL 0x0010 131f959fb44SXin Long #define SCTP_PR_SCTP_RTX 0x0020 132f959fb44SXin Long #define SCTP_PR_SCTP_PRIO 0x0030 133f959fb44SXin Long #define SCTP_PR_SCTP_MAX SCTP_PR_SCTP_PRIO 134f959fb44SXin Long #define SCTP_PR_SCTP_MASK 0x0030 135f959fb44SXin Long 136f959fb44SXin Long #define __SCTP_PR_INDEX(x) ((x >> 4) - 1) 137f959fb44SXin Long #define SCTP_PR_INDEX(x) __SCTP_PR_INDEX(SCTP_PR_SCTP_ ## x) 138f959fb44SXin Long 139f959fb44SXin Long #define SCTP_PR_POLICY(x) ((x) & SCTP_PR_SCTP_MASK) 140f959fb44SXin Long #define SCTP_PR_SET_POLICY(flags, x) \ 141f959fb44SXin Long do { \ 142f959fb44SXin Long flags &= ~SCTP_PR_SCTP_MASK; \ 143f959fb44SXin Long flags |= x; \ 144f959fb44SXin Long } while (0) 145f959fb44SXin Long 146f959fb44SXin Long #define SCTP_PR_TTL_ENABLED(x) (SCTP_PR_POLICY(x) == SCTP_PR_SCTP_TTL) 147f959fb44SXin Long #define SCTP_PR_RTX_ENABLED(x) (SCTP_PR_POLICY(x) == SCTP_PR_SCTP_RTX) 148f959fb44SXin Long #define SCTP_PR_PRIO_ENABLED(x) (SCTP_PR_POLICY(x) == SCTP_PR_SCTP_PRIO) 1491b866434SDaniel Borkmann 1509fb657aeSXin Long /* For enable stream reset */ 1519fb657aeSXin Long #define SCTP_ENABLE_RESET_STREAM_REQ 0x01 1529fb657aeSXin Long #define SCTP_ENABLE_RESET_ASSOC_REQ 0x02 1539fb657aeSXin Long #define SCTP_ENABLE_CHANGE_ASSOC_REQ 0x04 1549fb657aeSXin Long #define SCTP_ENABLE_STRRESET_MASK 0x07 1559fb657aeSXin Long 1567f9d68acSXin Long #define SCTP_STREAM_RESET_INCOMING 0x01 1577f9d68acSXin Long #define SCTP_STREAM_RESET_OUTGOING 0x02 1587f9d68acSXin Long 1592347c80fSGeir Ola Vaagland /* These are bit fields for msghdr->msg_flags. See section 5.1. */ 1602347c80fSGeir Ola Vaagland /* On user space Linux, these live in <bits/socket.h> as an enum. */ 1612347c80fSGeir Ola Vaagland enum sctp_msg_flags { 1622347c80fSGeir Ola Vaagland MSG_NOTIFICATION = 0x8000, 1632347c80fSGeir Ola Vaagland #define MSG_NOTIFICATION MSG_NOTIFICATION 1642347c80fSGeir Ola Vaagland }; 1652347c80fSGeir Ola Vaagland 1660d3a421dSGeir Ola Vaagland /* 5.3.1 SCTP Initiation Structure (SCTP_INIT) 1671b866434SDaniel Borkmann * 1681b866434SDaniel Borkmann * This cmsghdr structure provides information for initializing new 1691b866434SDaniel Borkmann * SCTP associations with sendmsg(). The SCTP_INITMSG socket option 1701b866434SDaniel Borkmann * uses this same data structure. This structure is not used for 1711b866434SDaniel Borkmann * recvmsg(). 1721b866434SDaniel Borkmann * 1731b866434SDaniel Borkmann * cmsg_level cmsg_type cmsg_data[] 1741b866434SDaniel Borkmann * ------------ ------------ ---------------------- 1751b866434SDaniel Borkmann * IPPROTO_SCTP SCTP_INIT struct sctp_initmsg 1761b866434SDaniel Borkmann */ 1771b866434SDaniel Borkmann struct sctp_initmsg { 1781b866434SDaniel Borkmann __u16 sinit_num_ostreams; 1791b866434SDaniel Borkmann __u16 sinit_max_instreams; 1801b866434SDaniel Borkmann __u16 sinit_max_attempts; 1811b866434SDaniel Borkmann __u16 sinit_max_init_timeo; 1821b866434SDaniel Borkmann }; 1831b866434SDaniel Borkmann 1840d3a421dSGeir Ola Vaagland /* 5.3.2 SCTP Header Information Structure (SCTP_SNDRCV) 1851b866434SDaniel Borkmann * 1861b866434SDaniel Borkmann * This cmsghdr structure specifies SCTP options for sendmsg() and 1871b866434SDaniel Borkmann * describes SCTP header information about a received message through 1881b866434SDaniel Borkmann * recvmsg(). 1891b866434SDaniel Borkmann * 1901b866434SDaniel Borkmann * cmsg_level cmsg_type cmsg_data[] 1911b866434SDaniel Borkmann * ------------ ------------ ---------------------- 1921b866434SDaniel Borkmann * IPPROTO_SCTP SCTP_SNDRCV struct sctp_sndrcvinfo 1931b866434SDaniel Borkmann */ 1941b866434SDaniel Borkmann struct sctp_sndrcvinfo { 1951b866434SDaniel Borkmann __u16 sinfo_stream; 1961b866434SDaniel Borkmann __u16 sinfo_ssn; 1971b866434SDaniel Borkmann __u16 sinfo_flags; 1981b866434SDaniel Borkmann __u32 sinfo_ppid; 1991b866434SDaniel Borkmann __u32 sinfo_context; 2001b866434SDaniel Borkmann __u32 sinfo_timetolive; 2011b866434SDaniel Borkmann __u32 sinfo_tsn; 2021b866434SDaniel Borkmann __u32 sinfo_cumtsn; 2031b866434SDaniel Borkmann sctp_assoc_t sinfo_assoc_id; 2041b866434SDaniel Borkmann }; 2051b866434SDaniel Borkmann 20663b94938SGeir Ola Vaagland /* 5.3.4 SCTP Send Information Structure (SCTP_SNDINFO) 20763b94938SGeir Ola Vaagland * 20863b94938SGeir Ola Vaagland * This cmsghdr structure specifies SCTP options for sendmsg(). 20963b94938SGeir Ola Vaagland * 21063b94938SGeir Ola Vaagland * cmsg_level cmsg_type cmsg_data[] 21163b94938SGeir Ola Vaagland * ------------ ------------ ------------------- 21263b94938SGeir Ola Vaagland * IPPROTO_SCTP SCTP_SNDINFO struct sctp_sndinfo 21363b94938SGeir Ola Vaagland */ 21463b94938SGeir Ola Vaagland struct sctp_sndinfo { 21563b94938SGeir Ola Vaagland __u16 snd_sid; 21663b94938SGeir Ola Vaagland __u16 snd_flags; 21763b94938SGeir Ola Vaagland __u32 snd_ppid; 21863b94938SGeir Ola Vaagland __u32 snd_context; 21963b94938SGeir Ola Vaagland sctp_assoc_t snd_assoc_id; 22063b94938SGeir Ola Vaagland }; 22163b94938SGeir Ola Vaagland 2220d3a421dSGeir Ola Vaagland /* 5.3.5 SCTP Receive Information Structure (SCTP_RCVINFO) 2230d3a421dSGeir Ola Vaagland * 2240d3a421dSGeir Ola Vaagland * This cmsghdr structure describes SCTP receive information 2250d3a421dSGeir Ola Vaagland * about a received message through recvmsg(). 2260d3a421dSGeir Ola Vaagland * 2270d3a421dSGeir Ola Vaagland * cmsg_level cmsg_type cmsg_data[] 2280d3a421dSGeir Ola Vaagland * ------------ ------------ ------------------- 2290d3a421dSGeir Ola Vaagland * IPPROTO_SCTP SCTP_RCVINFO struct sctp_rcvinfo 2300d3a421dSGeir Ola Vaagland */ 2310d3a421dSGeir Ola Vaagland struct sctp_rcvinfo { 2320d3a421dSGeir Ola Vaagland __u16 rcv_sid; 2330d3a421dSGeir Ola Vaagland __u16 rcv_ssn; 2340d3a421dSGeir Ola Vaagland __u16 rcv_flags; 2350d3a421dSGeir Ola Vaagland __u32 rcv_ppid; 2360d3a421dSGeir Ola Vaagland __u32 rcv_tsn; 2370d3a421dSGeir Ola Vaagland __u32 rcv_cumtsn; 2380d3a421dSGeir Ola Vaagland __u32 rcv_context; 2390d3a421dSGeir Ola Vaagland sctp_assoc_t rcv_assoc_id; 2400d3a421dSGeir Ola Vaagland }; 2410d3a421dSGeir Ola Vaagland 2422347c80fSGeir Ola Vaagland /* 5.3.6 SCTP Next Receive Information Structure (SCTP_NXTINFO) 2432347c80fSGeir Ola Vaagland * 2442347c80fSGeir Ola Vaagland * This cmsghdr structure describes SCTP receive information 2452347c80fSGeir Ola Vaagland * of the next message that will be delivered through recvmsg() 2462347c80fSGeir Ola Vaagland * if this information is already available when delivering 2472347c80fSGeir Ola Vaagland * the current message. 2482347c80fSGeir Ola Vaagland * 2492347c80fSGeir Ola Vaagland * cmsg_level cmsg_type cmsg_data[] 2502347c80fSGeir Ola Vaagland * ------------ ------------ ------------------- 2512347c80fSGeir Ola Vaagland * IPPROTO_SCTP SCTP_NXTINFO struct sctp_nxtinfo 2522347c80fSGeir Ola Vaagland */ 2532347c80fSGeir Ola Vaagland struct sctp_nxtinfo { 2542347c80fSGeir Ola Vaagland __u16 nxt_sid; 2552347c80fSGeir Ola Vaagland __u16 nxt_flags; 2562347c80fSGeir Ola Vaagland __u32 nxt_ppid; 2572347c80fSGeir Ola Vaagland __u32 nxt_length; 2582347c80fSGeir Ola Vaagland sctp_assoc_t nxt_assoc_id; 2592347c80fSGeir Ola Vaagland }; 2602347c80fSGeir Ola Vaagland 2611b866434SDaniel Borkmann /* 2621b866434SDaniel Borkmann * sinfo_flags: 16 bits (unsigned integer) 2631b866434SDaniel Borkmann * 2641b866434SDaniel Borkmann * This field may contain any of the following flags and is composed of 2651b866434SDaniel Borkmann * a bitwise OR of these values. 2661b866434SDaniel Borkmann */ 2671b866434SDaniel Borkmann enum sctp_sinfo_flags { 2682347c80fSGeir Ola Vaagland SCTP_UNORDERED = (1 << 0), /* Send/receive message unordered. */ 2692347c80fSGeir Ola Vaagland SCTP_ADDR_OVER = (1 << 1), /* Override the primary destination. */ 2702347c80fSGeir Ola Vaagland SCTP_ABORT = (1 << 2), /* Send an ABORT message to the peer. */ 2712347c80fSGeir Ola Vaagland SCTP_SACK_IMMEDIATELY = (1 << 3), /* SACK should be sent without delay. */ 2722347c80fSGeir Ola Vaagland SCTP_NOTIFICATION = MSG_NOTIFICATION, /* Next message is not user msg but notification. */ 2731b866434SDaniel Borkmann SCTP_EOF = MSG_FIN, /* Initiate graceful shutdown process. */ 2741b866434SDaniel Borkmann }; 2751b866434SDaniel Borkmann 2761b866434SDaniel Borkmann typedef union { 2771b866434SDaniel Borkmann __u8 raw; 2781b866434SDaniel Borkmann struct sctp_initmsg init; 2791b866434SDaniel Borkmann struct sctp_sndrcvinfo sndrcv; 2801b866434SDaniel Borkmann } sctp_cmsg_data_t; 2811b866434SDaniel Borkmann 2821b866434SDaniel Borkmann /* These are cmsg_types. */ 2831b866434SDaniel Borkmann typedef enum sctp_cmsg_type { 2841b866434SDaniel Borkmann SCTP_INIT, /* 5.2.1 SCTP Initiation Structure */ 2851b866434SDaniel Borkmann #define SCTP_INIT SCTP_INIT 2861b866434SDaniel Borkmann SCTP_SNDRCV, /* 5.2.2 SCTP Header Information Structure */ 2871b866434SDaniel Borkmann #define SCTP_SNDRCV SCTP_SNDRCV 28863b94938SGeir Ola Vaagland SCTP_SNDINFO, /* 5.3.4 SCTP Send Information Structure */ 28963b94938SGeir Ola Vaagland #define SCTP_SNDINFO SCTP_SNDINFO 2900d3a421dSGeir Ola Vaagland SCTP_RCVINFO, /* 5.3.5 SCTP Receive Information Structure */ 2910d3a421dSGeir Ola Vaagland #define SCTP_RCVINFO SCTP_RCVINFO 2922347c80fSGeir Ola Vaagland SCTP_NXTINFO, /* 5.3.6 SCTP Next Receive Information Structure */ 2932347c80fSGeir Ola Vaagland #define SCTP_NXTINFO SCTP_NXTINFO 2941b866434SDaniel Borkmann } sctp_cmsg_t; 2951b866434SDaniel Borkmann 2961b866434SDaniel Borkmann /* 2971b866434SDaniel Borkmann * 5.3.1.1 SCTP_ASSOC_CHANGE 2981b866434SDaniel Borkmann * 2991b866434SDaniel Borkmann * Communication notifications inform the ULP that an SCTP association 3001b866434SDaniel Borkmann * has either begun or ended. The identifier for a new association is 3011b866434SDaniel Borkmann * provided by this notificaion. The notification information has the 3021b866434SDaniel Borkmann * following format: 3031b866434SDaniel Borkmann * 3041b866434SDaniel Borkmann */ 3051b866434SDaniel Borkmann struct sctp_assoc_change { 3061b866434SDaniel Borkmann __u16 sac_type; 3071b866434SDaniel Borkmann __u16 sac_flags; 3081b866434SDaniel Borkmann __u32 sac_length; 3091b866434SDaniel Borkmann __u16 sac_state; 3101b866434SDaniel Borkmann __u16 sac_error; 3111b866434SDaniel Borkmann __u16 sac_outbound_streams; 3121b866434SDaniel Borkmann __u16 sac_inbound_streams; 3131b866434SDaniel Borkmann sctp_assoc_t sac_assoc_id; 3141b866434SDaniel Borkmann __u8 sac_info[0]; 3151b866434SDaniel Borkmann }; 3161b866434SDaniel Borkmann 3171b866434SDaniel Borkmann /* 3181b866434SDaniel Borkmann * sac_state: 32 bits (signed integer) 3191b866434SDaniel Borkmann * 3201b866434SDaniel Borkmann * This field holds one of a number of values that communicate the 3211b866434SDaniel Borkmann * event that happened to the association. They include: 3221b866434SDaniel Borkmann * 3231b866434SDaniel Borkmann * Note: The following state names deviate from the API draft as 3241b866434SDaniel Borkmann * the names clash too easily with other kernel symbols. 3251b866434SDaniel Borkmann */ 3261b866434SDaniel Borkmann enum sctp_sac_state { 3271b866434SDaniel Borkmann SCTP_COMM_UP, 3281b866434SDaniel Borkmann SCTP_COMM_LOST, 3291b866434SDaniel Borkmann SCTP_RESTART, 3301b866434SDaniel Borkmann SCTP_SHUTDOWN_COMP, 3311b866434SDaniel Borkmann SCTP_CANT_STR_ASSOC, 3321b866434SDaniel Borkmann }; 3331b866434SDaniel Borkmann 3341b866434SDaniel Borkmann /* 3351b866434SDaniel Borkmann * 5.3.1.2 SCTP_PEER_ADDR_CHANGE 3361b866434SDaniel Borkmann * 3371b866434SDaniel Borkmann * When a destination address on a multi-homed peer encounters a change 3381b866434SDaniel Borkmann * an interface details event is sent. The information has the 3391b866434SDaniel Borkmann * following structure: 3401b866434SDaniel Borkmann */ 3411b866434SDaniel Borkmann struct sctp_paddr_change { 3421b866434SDaniel Borkmann __u16 spc_type; 3431b866434SDaniel Borkmann __u16 spc_flags; 3441b866434SDaniel Borkmann __u32 spc_length; 3451b866434SDaniel Borkmann struct sockaddr_storage spc_aaddr; 3461b866434SDaniel Borkmann int spc_state; 3471b866434SDaniel Borkmann int spc_error; 3481b866434SDaniel Borkmann sctp_assoc_t spc_assoc_id; 3491b866434SDaniel Borkmann } __attribute__((packed, aligned(4))); 3501b866434SDaniel Borkmann 3511b866434SDaniel Borkmann /* 3521b866434SDaniel Borkmann * spc_state: 32 bits (signed integer) 3531b866434SDaniel Borkmann * 3541b866434SDaniel Borkmann * This field holds one of a number of values that communicate the 3551b866434SDaniel Borkmann * event that happened to the address. They include: 3561b866434SDaniel Borkmann */ 3571b866434SDaniel Borkmann enum sctp_spc_state { 3581b866434SDaniel Borkmann SCTP_ADDR_AVAILABLE, 3591b866434SDaniel Borkmann SCTP_ADDR_UNREACHABLE, 3601b866434SDaniel Borkmann SCTP_ADDR_REMOVED, 3611b866434SDaniel Borkmann SCTP_ADDR_ADDED, 3621b866434SDaniel Borkmann SCTP_ADDR_MADE_PRIM, 3631b866434SDaniel Borkmann SCTP_ADDR_CONFIRMED, 3641b866434SDaniel Borkmann }; 3651b866434SDaniel Borkmann 3661b866434SDaniel Borkmann 3671b866434SDaniel Borkmann /* 3681b866434SDaniel Borkmann * 5.3.1.3 SCTP_REMOTE_ERROR 3691b866434SDaniel Borkmann * 3701b866434SDaniel Borkmann * A remote peer may send an Operational Error message to its peer. 3711b866434SDaniel Borkmann * This message indicates a variety of error conditions on an 3721b866434SDaniel Borkmann * association. The entire error TLV as it appears on the wire is 3731b866434SDaniel Borkmann * included in a SCTP_REMOTE_ERROR event. Please refer to the SCTP 3741b866434SDaniel Borkmann * specification [SCTP] and any extensions for a list of possible 3751b866434SDaniel Borkmann * error formats. SCTP error TLVs have the format: 3761b866434SDaniel Borkmann */ 3771b866434SDaniel Borkmann struct sctp_remote_error { 3781b866434SDaniel Borkmann __u16 sre_type; 3791b866434SDaniel Borkmann __u16 sre_flags; 3801b866434SDaniel Borkmann __u32 sre_length; 3811b866434SDaniel Borkmann __u16 sre_error; 3821b866434SDaniel Borkmann sctp_assoc_t sre_assoc_id; 3831b866434SDaniel Borkmann __u8 sre_data[0]; 3841b866434SDaniel Borkmann }; 3851b866434SDaniel Borkmann 3861b866434SDaniel Borkmann 3871b866434SDaniel Borkmann /* 3881b866434SDaniel Borkmann * 5.3.1.4 SCTP_SEND_FAILED 3891b866434SDaniel Borkmann * 3901b866434SDaniel Borkmann * If SCTP cannot deliver a message it may return the message as a 3911b866434SDaniel Borkmann * notification. 3921b866434SDaniel Borkmann */ 3931b866434SDaniel Borkmann struct sctp_send_failed { 3941b866434SDaniel Borkmann __u16 ssf_type; 3951b866434SDaniel Borkmann __u16 ssf_flags; 3961b866434SDaniel Borkmann __u32 ssf_length; 3971b866434SDaniel Borkmann __u32 ssf_error; 3981b866434SDaniel Borkmann struct sctp_sndrcvinfo ssf_info; 3991b866434SDaniel Borkmann sctp_assoc_t ssf_assoc_id; 4001b866434SDaniel Borkmann __u8 ssf_data[0]; 4011b866434SDaniel Borkmann }; 4021b866434SDaniel Borkmann 4031b866434SDaniel Borkmann /* 4041b866434SDaniel Borkmann * ssf_flags: 16 bits (unsigned integer) 4051b866434SDaniel Borkmann * 4061b866434SDaniel Borkmann * The flag value will take one of the following values 4071b866434SDaniel Borkmann * 4081b866434SDaniel Borkmann * SCTP_DATA_UNSENT - Indicates that the data was never put on 4091b866434SDaniel Borkmann * the wire. 4101b866434SDaniel Borkmann * 4111b866434SDaniel Borkmann * SCTP_DATA_SENT - Indicates that the data was put on the wire. 4121b866434SDaniel Borkmann * Note that this does not necessarily mean that the 4131b866434SDaniel Borkmann * data was (or was not) successfully delivered. 4141b866434SDaniel Borkmann */ 4151b866434SDaniel Borkmann enum sctp_ssf_flags { 4161b866434SDaniel Borkmann SCTP_DATA_UNSENT, 4171b866434SDaniel Borkmann SCTP_DATA_SENT, 4181b866434SDaniel Borkmann }; 4191b866434SDaniel Borkmann 4201b866434SDaniel Borkmann /* 4211b866434SDaniel Borkmann * 5.3.1.5 SCTP_SHUTDOWN_EVENT 4221b866434SDaniel Borkmann * 4231b866434SDaniel Borkmann * When a peer sends a SHUTDOWN, SCTP delivers this notification to 4241b866434SDaniel Borkmann * inform the application that it should cease sending data. 4251b866434SDaniel Borkmann */ 4261b866434SDaniel Borkmann struct sctp_shutdown_event { 4271b866434SDaniel Borkmann __u16 sse_type; 4281b866434SDaniel Borkmann __u16 sse_flags; 4291b866434SDaniel Borkmann __u32 sse_length; 4301b866434SDaniel Borkmann sctp_assoc_t sse_assoc_id; 4311b866434SDaniel Borkmann }; 4321b866434SDaniel Borkmann 4331b866434SDaniel Borkmann /* 4341b866434SDaniel Borkmann * 5.3.1.6 SCTP_ADAPTATION_INDICATION 4351b866434SDaniel Borkmann * 4361b866434SDaniel Borkmann * When a peer sends a Adaptation Layer Indication parameter , SCTP 4371b866434SDaniel Borkmann * delivers this notification to inform the application 4381b866434SDaniel Borkmann * that of the peers requested adaptation layer. 4391b866434SDaniel Borkmann */ 4401b866434SDaniel Borkmann struct sctp_adaptation_event { 4411b866434SDaniel Borkmann __u16 sai_type; 4421b866434SDaniel Borkmann __u16 sai_flags; 4431b866434SDaniel Borkmann __u32 sai_length; 4441b866434SDaniel Borkmann __u32 sai_adaptation_ind; 4451b866434SDaniel Borkmann sctp_assoc_t sai_assoc_id; 4461b866434SDaniel Borkmann }; 4471b866434SDaniel Borkmann 4481b866434SDaniel Borkmann /* 4491b866434SDaniel Borkmann * 5.3.1.7 SCTP_PARTIAL_DELIVERY_EVENT 4501b866434SDaniel Borkmann * 4511b866434SDaniel Borkmann * When a receiver is engaged in a partial delivery of a 4521b866434SDaniel Borkmann * message this notification will be used to indicate 4531b866434SDaniel Borkmann * various events. 4541b866434SDaniel Borkmann */ 4551b866434SDaniel Borkmann struct sctp_pdapi_event { 4561b866434SDaniel Borkmann __u16 pdapi_type; 4571b866434SDaniel Borkmann __u16 pdapi_flags; 4581b866434SDaniel Borkmann __u32 pdapi_length; 4591b866434SDaniel Borkmann __u32 pdapi_indication; 4601b866434SDaniel Borkmann sctp_assoc_t pdapi_assoc_id; 4611b866434SDaniel Borkmann }; 4621b866434SDaniel Borkmann 4631b866434SDaniel Borkmann enum { SCTP_PARTIAL_DELIVERY_ABORTED=0, }; 4641b866434SDaniel Borkmann 4651b866434SDaniel Borkmann /* 4661b866434SDaniel Borkmann * 5.3.1.8. SCTP_AUTHENTICATION_EVENT 4671b866434SDaniel Borkmann * 4681b866434SDaniel Borkmann * When a receiver is using authentication this message will provide 4691b866434SDaniel Borkmann * notifications regarding new keys being made active as well as errors. 4701b866434SDaniel Borkmann */ 4711b866434SDaniel Borkmann struct sctp_authkey_event { 4721b866434SDaniel Borkmann __u16 auth_type; 4731b866434SDaniel Borkmann __u16 auth_flags; 4741b866434SDaniel Borkmann __u32 auth_length; 4751b866434SDaniel Borkmann __u16 auth_keynumber; 4761b866434SDaniel Borkmann __u16 auth_altkeynumber; 4771b866434SDaniel Borkmann __u32 auth_indication; 4781b866434SDaniel Borkmann sctp_assoc_t auth_assoc_id; 4791b866434SDaniel Borkmann }; 4801b866434SDaniel Borkmann 4811b866434SDaniel Borkmann enum { SCTP_AUTH_NEWKEY = 0, }; 4821b866434SDaniel Borkmann 4831b866434SDaniel Borkmann /* 4841b866434SDaniel Borkmann * 6.1.9. SCTP_SENDER_DRY_EVENT 4851b866434SDaniel Borkmann * 4861b866434SDaniel Borkmann * When the SCTP stack has no more user data to send or retransmit, this 4871b866434SDaniel Borkmann * notification is given to the user. Also, at the time when a user app 4881b866434SDaniel Borkmann * subscribes to this event, if there is no data to be sent or 4891b866434SDaniel Borkmann * retransmit, the stack will immediately send up this notification. 4901b866434SDaniel Borkmann */ 4911b866434SDaniel Borkmann struct sctp_sender_dry_event { 4921b866434SDaniel Borkmann __u16 sender_dry_type; 4931b866434SDaniel Borkmann __u16 sender_dry_flags; 4941b866434SDaniel Borkmann __u32 sender_dry_length; 4951b866434SDaniel Borkmann sctp_assoc_t sender_dry_assoc_id; 4961b866434SDaniel Borkmann }; 4971b866434SDaniel Borkmann 49835ea82d6SXin Long #define SCTP_STREAM_RESET_INCOMING_SSN 0x0001 49935ea82d6SXin Long #define SCTP_STREAM_RESET_OUTGOING_SSN 0x0002 50035ea82d6SXin Long #define SCTP_STREAM_RESET_DENIED 0x0004 50135ea82d6SXin Long #define SCTP_STREAM_RESET_FAILED 0x0008 50235ea82d6SXin Long struct sctp_stream_reset_event { 50335ea82d6SXin Long __u16 strreset_type; 50435ea82d6SXin Long __u16 strreset_flags; 50535ea82d6SXin Long __u32 strreset_length; 50635ea82d6SXin Long sctp_assoc_t strreset_assoc_id; 50735ea82d6SXin Long __u16 strreset_stream_list[]; 50835ea82d6SXin Long }; 50935ea82d6SXin Long 510c95129d1SXin Long #define SCTP_ASSOC_RESET_DENIED 0x0004 511c95129d1SXin Long #define SCTP_ASSOC_RESET_FAILED 0x0008 512c95129d1SXin Long struct sctp_assoc_reset_event { 513c95129d1SXin Long __u16 assocreset_type; 514c95129d1SXin Long __u16 assocreset_flags; 515c95129d1SXin Long __u32 assocreset_length; 516c95129d1SXin Long sctp_assoc_t assocreset_assoc_id; 517c95129d1SXin Long __u32 assocreset_local_tsn; 518c95129d1SXin Long __u32 assocreset_remote_tsn; 519c95129d1SXin Long }; 520c95129d1SXin Long 521b444153fSXin Long #define SCTP_ASSOC_CHANGE_DENIED 0x0004 522b444153fSXin Long #define SCTP_ASSOC_CHANGE_FAILED 0x0008 523b444153fSXin Long struct sctp_stream_change_event { 524b444153fSXin Long __u16 strchange_type; 525b444153fSXin Long __u16 strchange_flags; 526b444153fSXin Long __u32 strchange_length; 527b444153fSXin Long sctp_assoc_t strchange_assoc_id; 528b444153fSXin Long __u16 strchange_instrms; 529b444153fSXin Long __u16 strchange_outstrms; 530b444153fSXin Long }; 531b444153fSXin Long 5321b866434SDaniel Borkmann /* 5331b866434SDaniel Borkmann * Described in Section 7.3 5341b866434SDaniel Borkmann * Ancillary Data and Notification Interest Options 5351b866434SDaniel Borkmann */ 5361b866434SDaniel Borkmann struct sctp_event_subscribe { 5371b866434SDaniel Borkmann __u8 sctp_data_io_event; 5381b866434SDaniel Borkmann __u8 sctp_association_event; 5391b866434SDaniel Borkmann __u8 sctp_address_event; 5401b866434SDaniel Borkmann __u8 sctp_send_failure_event; 5411b866434SDaniel Borkmann __u8 sctp_peer_error_event; 5421b866434SDaniel Borkmann __u8 sctp_shutdown_event; 5431b866434SDaniel Borkmann __u8 sctp_partial_delivery_event; 5441b866434SDaniel Borkmann __u8 sctp_adaptation_layer_event; 5451b866434SDaniel Borkmann __u8 sctp_authentication_event; 5461b866434SDaniel Borkmann __u8 sctp_sender_dry_event; 54735ea82d6SXin Long __u8 sctp_stream_reset_event; 548c95129d1SXin Long __u8 sctp_assoc_reset_event; 549b444153fSXin Long __u8 sctp_stream_change_event; 5501b866434SDaniel Borkmann }; 5511b866434SDaniel Borkmann 5521b866434SDaniel Borkmann /* 5531b866434SDaniel Borkmann * 5.3.1 SCTP Notification Structure 5541b866434SDaniel Borkmann * 5551b866434SDaniel Borkmann * The notification structure is defined as the union of all 5561b866434SDaniel Borkmann * notification types. 5571b866434SDaniel Borkmann * 5581b866434SDaniel Borkmann */ 5591b866434SDaniel Borkmann union sctp_notification { 5601b866434SDaniel Borkmann struct { 5611b866434SDaniel Borkmann __u16 sn_type; /* Notification type. */ 5621b866434SDaniel Borkmann __u16 sn_flags; 5631b866434SDaniel Borkmann __u32 sn_length; 5641b866434SDaniel Borkmann } sn_header; 5651b866434SDaniel Borkmann struct sctp_assoc_change sn_assoc_change; 5661b866434SDaniel Borkmann struct sctp_paddr_change sn_paddr_change; 5671b866434SDaniel Borkmann struct sctp_remote_error sn_remote_error; 5681b866434SDaniel Borkmann struct sctp_send_failed sn_send_failed; 5691b866434SDaniel Borkmann struct sctp_shutdown_event sn_shutdown_event; 5701b866434SDaniel Borkmann struct sctp_adaptation_event sn_adaptation_event; 5711b866434SDaniel Borkmann struct sctp_pdapi_event sn_pdapi_event; 5721b866434SDaniel Borkmann struct sctp_authkey_event sn_authkey_event; 5731b866434SDaniel Borkmann struct sctp_sender_dry_event sn_sender_dry_event; 57435ea82d6SXin Long struct sctp_stream_reset_event sn_strreset_event; 575c95129d1SXin Long struct sctp_assoc_reset_event sn_assocreset_event; 576b444153fSXin Long struct sctp_stream_change_event sn_strchange_event; 5771b866434SDaniel Borkmann }; 5781b866434SDaniel Borkmann 5791b866434SDaniel Borkmann /* Section 5.3.1 5801b866434SDaniel Borkmann * All standard values for sn_type flags are greater than 2^15. 5811b866434SDaniel Borkmann * Values from 2^15 and down are reserved. 5821b866434SDaniel Borkmann */ 5831b866434SDaniel Borkmann 5841b866434SDaniel Borkmann enum sctp_sn_type { 5851b866434SDaniel Borkmann SCTP_SN_TYPE_BASE = (1<<15), 5861b866434SDaniel Borkmann SCTP_ASSOC_CHANGE, 5871b866434SDaniel Borkmann #define SCTP_ASSOC_CHANGE SCTP_ASSOC_CHANGE 5881b866434SDaniel Borkmann SCTP_PEER_ADDR_CHANGE, 5891b866434SDaniel Borkmann #define SCTP_PEER_ADDR_CHANGE SCTP_PEER_ADDR_CHANGE 5901b866434SDaniel Borkmann SCTP_SEND_FAILED, 5911b866434SDaniel Borkmann #define SCTP_SEND_FAILED SCTP_SEND_FAILED 5921b866434SDaniel Borkmann SCTP_REMOTE_ERROR, 5931b866434SDaniel Borkmann #define SCTP_REMOTE_ERROR SCTP_REMOTE_ERROR 5941b866434SDaniel Borkmann SCTP_SHUTDOWN_EVENT, 5951b866434SDaniel Borkmann #define SCTP_SHUTDOWN_EVENT SCTP_SHUTDOWN_EVENT 5961b866434SDaniel Borkmann SCTP_PARTIAL_DELIVERY_EVENT, 5971b866434SDaniel Borkmann #define SCTP_PARTIAL_DELIVERY_EVENT SCTP_PARTIAL_DELIVERY_EVENT 5981b866434SDaniel Borkmann SCTP_ADAPTATION_INDICATION, 5991b866434SDaniel Borkmann #define SCTP_ADAPTATION_INDICATION SCTP_ADAPTATION_INDICATION 6001b866434SDaniel Borkmann SCTP_AUTHENTICATION_EVENT, 6011b866434SDaniel Borkmann #define SCTP_AUTHENTICATION_INDICATION SCTP_AUTHENTICATION_EVENT 6021b866434SDaniel Borkmann SCTP_SENDER_DRY_EVENT, 6031b866434SDaniel Borkmann #define SCTP_SENDER_DRY_EVENT SCTP_SENDER_DRY_EVENT 60435ea82d6SXin Long SCTP_STREAM_RESET_EVENT, 60535ea82d6SXin Long #define SCTP_STREAM_RESET_EVENT SCTP_STREAM_RESET_EVENT 606c95129d1SXin Long SCTP_ASSOC_RESET_EVENT, 607c95129d1SXin Long #define SCTP_ASSOC_RESET_EVENT SCTP_ASSOC_RESET_EVENT 608b444153fSXin Long SCTP_STREAM_CHANGE_EVENT, 609b444153fSXin Long #define SCTP_STREAM_CHANGE_EVENT SCTP_STREAM_CHANGE_EVENT 6101b866434SDaniel Borkmann }; 6111b866434SDaniel Borkmann 6121b866434SDaniel Borkmann /* Notification error codes used to fill up the error fields in some 6131b866434SDaniel Borkmann * notifications. 6141b866434SDaniel Borkmann * SCTP_PEER_ADDRESS_CHAGE : spc_error 6151b866434SDaniel Borkmann * SCTP_ASSOC_CHANGE : sac_error 6161b866434SDaniel Borkmann * These names should be potentially included in the draft 04 of the SCTP 6171b866434SDaniel Borkmann * sockets API specification. 6181b866434SDaniel Borkmann */ 6191b866434SDaniel Borkmann typedef enum sctp_sn_error { 6201b866434SDaniel Borkmann SCTP_FAILED_THRESHOLD, 6211b866434SDaniel Borkmann SCTP_RECEIVED_SACK, 6221b866434SDaniel Borkmann SCTP_HEARTBEAT_SUCCESS, 6231b866434SDaniel Borkmann SCTP_RESPONSE_TO_USER_REQ, 6241b866434SDaniel Borkmann SCTP_INTERNAL_ERROR, 6251b866434SDaniel Borkmann SCTP_SHUTDOWN_GUARD_EXPIRES, 6261b866434SDaniel Borkmann SCTP_PEER_FAULTY, 6271b866434SDaniel Borkmann } sctp_sn_error_t; 6281b866434SDaniel Borkmann 6291b866434SDaniel Borkmann /* 6301b866434SDaniel Borkmann * 7.1.1 Retransmission Timeout Parameters (SCTP_RTOINFO) 6311b866434SDaniel Borkmann * 6321b866434SDaniel Borkmann * The protocol parameters used to initialize and bound retransmission 6331b866434SDaniel Borkmann * timeout (RTO) are tunable. See [SCTP] for more information on how 6341b866434SDaniel Borkmann * these parameters are used in RTO calculation. 6351b866434SDaniel Borkmann */ 6361b866434SDaniel Borkmann struct sctp_rtoinfo { 6371b866434SDaniel Borkmann sctp_assoc_t srto_assoc_id; 6381b866434SDaniel Borkmann __u32 srto_initial; 6391b866434SDaniel Borkmann __u32 srto_max; 6401b866434SDaniel Borkmann __u32 srto_min; 6411b866434SDaniel Borkmann }; 6421b866434SDaniel Borkmann 6431b866434SDaniel Borkmann /* 6441b866434SDaniel Borkmann * 7.1.2 Association Parameters (SCTP_ASSOCINFO) 6451b866434SDaniel Borkmann * 6461b866434SDaniel Borkmann * This option is used to both examine and set various association and 6471b866434SDaniel Borkmann * endpoint parameters. 6481b866434SDaniel Borkmann */ 6491b866434SDaniel Borkmann struct sctp_assocparams { 6501b866434SDaniel Borkmann sctp_assoc_t sasoc_assoc_id; 6511b866434SDaniel Borkmann __u16 sasoc_asocmaxrxt; 6521b866434SDaniel Borkmann __u16 sasoc_number_peer_destinations; 6531b866434SDaniel Borkmann __u32 sasoc_peer_rwnd; 6541b866434SDaniel Borkmann __u32 sasoc_local_rwnd; 6551b866434SDaniel Borkmann __u32 sasoc_cookie_life; 6561b866434SDaniel Borkmann }; 6571b866434SDaniel Borkmann 6581b866434SDaniel Borkmann /* 6591b866434SDaniel Borkmann * 7.1.9 Set Peer Primary Address (SCTP_SET_PEER_PRIMARY_ADDR) 6601b866434SDaniel Borkmann * 6611b866434SDaniel Borkmann * Requests that the peer mark the enclosed address as the association 6621b866434SDaniel Borkmann * primary. The enclosed address must be one of the association's 6631b866434SDaniel Borkmann * locally bound addresses. The following structure is used to make a 6641b866434SDaniel Borkmann * set primary request: 6651b866434SDaniel Borkmann */ 6661b866434SDaniel Borkmann struct sctp_setpeerprim { 6671b866434SDaniel Borkmann sctp_assoc_t sspp_assoc_id; 6681b866434SDaniel Borkmann struct sockaddr_storage sspp_addr; 6691b866434SDaniel Borkmann } __attribute__((packed, aligned(4))); 6701b866434SDaniel Borkmann 6711b866434SDaniel Borkmann /* 6721b866434SDaniel Borkmann * 7.1.10 Set Primary Address (SCTP_PRIMARY_ADDR) 6731b866434SDaniel Borkmann * 6741b866434SDaniel Borkmann * Requests that the local SCTP stack use the enclosed peer address as 6751b866434SDaniel Borkmann * the association primary. The enclosed address must be one of the 6761b866434SDaniel Borkmann * association peer's addresses. The following structure is used to 6771b866434SDaniel Borkmann * make a set peer primary request: 6781b866434SDaniel Borkmann */ 6791b866434SDaniel Borkmann struct sctp_prim { 6801b866434SDaniel Borkmann sctp_assoc_t ssp_assoc_id; 6811b866434SDaniel Borkmann struct sockaddr_storage ssp_addr; 6821b866434SDaniel Borkmann } __attribute__((packed, aligned(4))); 6831b866434SDaniel Borkmann 6841b866434SDaniel Borkmann /* For backward compatibility use, define the old name too */ 6851b866434SDaniel Borkmann #define sctp_setprim sctp_prim 6861b866434SDaniel Borkmann 6871b866434SDaniel Borkmann /* 6881b866434SDaniel Borkmann * 7.1.11 Set Adaptation Layer Indicator (SCTP_ADAPTATION_LAYER) 6891b866434SDaniel Borkmann * 6901b866434SDaniel Borkmann * Requests that the local endpoint set the specified Adaptation Layer 6911b866434SDaniel Borkmann * Indication parameter for all future INIT and INIT-ACK exchanges. 6921b866434SDaniel Borkmann */ 6931b866434SDaniel Borkmann struct sctp_setadaptation { 6941b866434SDaniel Borkmann __u32 ssb_adaptation_ind; 6951b866434SDaniel Borkmann }; 6961b866434SDaniel Borkmann 6971b866434SDaniel Borkmann /* 6981b866434SDaniel Borkmann * 7.1.13 Peer Address Parameters (SCTP_PEER_ADDR_PARAMS) 6991b866434SDaniel Borkmann * 7001b866434SDaniel Borkmann * Applications can enable or disable heartbeats for any peer address 7011b866434SDaniel Borkmann * of an association, modify an address's heartbeat interval, force a 7021b866434SDaniel Borkmann * heartbeat to be sent immediately, and adjust the address's maximum 7031b866434SDaniel Borkmann * number of retransmissions sent before an address is considered 7041b866434SDaniel Borkmann * unreachable. The following structure is used to access and modify an 7051b866434SDaniel Borkmann * address's parameters: 7061b866434SDaniel Borkmann */ 7071b866434SDaniel Borkmann enum sctp_spp_flags { 7081b866434SDaniel Borkmann SPP_HB_ENABLE = 1<<0, /*Enable heartbeats*/ 7091b866434SDaniel Borkmann SPP_HB_DISABLE = 1<<1, /*Disable heartbeats*/ 7101b866434SDaniel Borkmann SPP_HB = SPP_HB_ENABLE | SPP_HB_DISABLE, 7111b866434SDaniel Borkmann SPP_HB_DEMAND = 1<<2, /*Send heartbeat immediately*/ 7121b866434SDaniel Borkmann SPP_PMTUD_ENABLE = 1<<3, /*Enable PMTU discovery*/ 7131b866434SDaniel Borkmann SPP_PMTUD_DISABLE = 1<<4, /*Disable PMTU discovery*/ 7141b866434SDaniel Borkmann SPP_PMTUD = SPP_PMTUD_ENABLE | SPP_PMTUD_DISABLE, 7151b866434SDaniel Borkmann SPP_SACKDELAY_ENABLE = 1<<5, /*Enable SACK*/ 7161b866434SDaniel Borkmann SPP_SACKDELAY_DISABLE = 1<<6, /*Disable SACK*/ 7171b866434SDaniel Borkmann SPP_SACKDELAY = SPP_SACKDELAY_ENABLE | SPP_SACKDELAY_DISABLE, 7181b866434SDaniel Borkmann SPP_HB_TIME_IS_ZERO = 1<<7, /* Set HB delay to 0 */ 7191b866434SDaniel Borkmann }; 7201b866434SDaniel Borkmann 7211b866434SDaniel Borkmann struct sctp_paddrparams { 7221b866434SDaniel Borkmann sctp_assoc_t spp_assoc_id; 7231b866434SDaniel Borkmann struct sockaddr_storage spp_address; 7241b866434SDaniel Borkmann __u32 spp_hbinterval; 7251b866434SDaniel Borkmann __u16 spp_pathmaxrxt; 7261b866434SDaniel Borkmann __u32 spp_pathmtu; 7271b866434SDaniel Borkmann __u32 spp_sackdelay; 7281b866434SDaniel Borkmann __u32 spp_flags; 7291b866434SDaniel Borkmann } __attribute__((packed, aligned(4))); 7301b866434SDaniel Borkmann 7311b866434SDaniel Borkmann /* 7321b866434SDaniel Borkmann * 7.1.18. Add a chunk that must be authenticated (SCTP_AUTH_CHUNK) 7331b866434SDaniel Borkmann * 7341b866434SDaniel Borkmann * This set option adds a chunk type that the user is requesting to be 7351b866434SDaniel Borkmann * received only in an authenticated way. Changes to the list of chunks 7361b866434SDaniel Borkmann * will only effect future associations on the socket. 7371b866434SDaniel Borkmann */ 7381b866434SDaniel Borkmann struct sctp_authchunk { 7391b866434SDaniel Borkmann __u8 sauth_chunk; 7401b866434SDaniel Borkmann }; 7411b866434SDaniel Borkmann 7421b866434SDaniel Borkmann /* 7431b866434SDaniel Borkmann * 7.1.19. Get or set the list of supported HMAC Identifiers (SCTP_HMAC_IDENT) 7441b866434SDaniel Borkmann * 7451b866434SDaniel Borkmann * This option gets or sets the list of HMAC algorithms that the local 7461b866434SDaniel Borkmann * endpoint requires the peer to use. 7471b866434SDaniel Borkmann */ 7481b866434SDaniel Borkmann #ifndef __KERNEL__ 7491b866434SDaniel Borkmann /* This here is only used by user space as is. It might not be a good idea 7501b866434SDaniel Borkmann * to export/reveal the whole structure with reserved fields etc. 7511b866434SDaniel Borkmann */ 7521b866434SDaniel Borkmann enum { 7531b866434SDaniel Borkmann SCTP_AUTH_HMAC_ID_SHA1 = 1, 7541b866434SDaniel Borkmann SCTP_AUTH_HMAC_ID_SHA256 = 3, 7551b866434SDaniel Borkmann }; 7561b866434SDaniel Borkmann #endif 7571b866434SDaniel Borkmann 7581b866434SDaniel Borkmann struct sctp_hmacalgo { 7591b866434SDaniel Borkmann __u32 shmac_num_idents; 7601b866434SDaniel Borkmann __u16 shmac_idents[]; 7611b866434SDaniel Borkmann }; 7621b866434SDaniel Borkmann 7631b866434SDaniel Borkmann /* Sadly, user and kernel space have different names for 7641b866434SDaniel Borkmann * this structure member, so this is to not break anything. 7651b866434SDaniel Borkmann */ 7661b866434SDaniel Borkmann #define shmac_number_of_idents shmac_num_idents 7671b866434SDaniel Borkmann 7681b866434SDaniel Borkmann /* 7691b866434SDaniel Borkmann * 7.1.20. Set a shared key (SCTP_AUTH_KEY) 7701b866434SDaniel Borkmann * 7711b866434SDaniel Borkmann * This option will set a shared secret key which is used to build an 7721b866434SDaniel Borkmann * association shared key. 7731b866434SDaniel Borkmann */ 7741b866434SDaniel Borkmann struct sctp_authkey { 7751b866434SDaniel Borkmann sctp_assoc_t sca_assoc_id; 7761b866434SDaniel Borkmann __u16 sca_keynumber; 7771b866434SDaniel Borkmann __u16 sca_keylength; 7781b866434SDaniel Borkmann __u8 sca_key[]; 7791b866434SDaniel Borkmann }; 7801b866434SDaniel Borkmann 7811b866434SDaniel Borkmann /* 7821b866434SDaniel Borkmann * 7.1.21. Get or set the active shared key (SCTP_AUTH_ACTIVE_KEY) 7831b866434SDaniel Borkmann * 7841b866434SDaniel Borkmann * This option will get or set the active shared key to be used to build 7851b866434SDaniel Borkmann * the association shared key. 7861b866434SDaniel Borkmann */ 7871b866434SDaniel Borkmann 7881b866434SDaniel Borkmann struct sctp_authkeyid { 7891b866434SDaniel Borkmann sctp_assoc_t scact_assoc_id; 7901b866434SDaniel Borkmann __u16 scact_keynumber; 7911b866434SDaniel Borkmann }; 7921b866434SDaniel Borkmann 7931b866434SDaniel Borkmann 7941b866434SDaniel Borkmann /* 7951b866434SDaniel Borkmann * 7.1.23. Get or set delayed ack timer (SCTP_DELAYED_SACK) 7961b866434SDaniel Borkmann * 7971b866434SDaniel Borkmann * This option will effect the way delayed acks are performed. This 7981b866434SDaniel Borkmann * option allows you to get or set the delayed ack time, in 7991b866434SDaniel Borkmann * milliseconds. It also allows changing the delayed ack frequency. 8001b866434SDaniel Borkmann * Changing the frequency to 1 disables the delayed sack algorithm. If 8011b866434SDaniel Borkmann * the assoc_id is 0, then this sets or gets the endpoints default 8021b866434SDaniel Borkmann * values. If the assoc_id field is non-zero, then the set or get 8031b866434SDaniel Borkmann * effects the specified association for the one to many model (the 8041b866434SDaniel Borkmann * assoc_id field is ignored by the one to one model). Note that if 8051b866434SDaniel Borkmann * sack_delay or sack_freq are 0 when setting this option, then the 8061b866434SDaniel Borkmann * current values will remain unchanged. 8071b866434SDaniel Borkmann */ 8081b866434SDaniel Borkmann struct sctp_sack_info { 8091b866434SDaniel Borkmann sctp_assoc_t sack_assoc_id; 8101b866434SDaniel Borkmann uint32_t sack_delay; 8111b866434SDaniel Borkmann uint32_t sack_freq; 8121b866434SDaniel Borkmann }; 8131b866434SDaniel Borkmann 8141b866434SDaniel Borkmann struct sctp_assoc_value { 8151b866434SDaniel Borkmann sctp_assoc_t assoc_id; 8161b866434SDaniel Borkmann uint32_t assoc_value; 8171b866434SDaniel Borkmann }; 8181b866434SDaniel Borkmann 8190ccdf3c7SMarcelo Ricardo Leitner struct sctp_stream_value { 8200ccdf3c7SMarcelo Ricardo Leitner sctp_assoc_t assoc_id; 8210ccdf3c7SMarcelo Ricardo Leitner uint16_t stream_id; 8220ccdf3c7SMarcelo Ricardo Leitner uint16_t stream_value; 8230ccdf3c7SMarcelo Ricardo Leitner }; 8240ccdf3c7SMarcelo Ricardo Leitner 8251b866434SDaniel Borkmann /* 8261b866434SDaniel Borkmann * 7.2.2 Peer Address Information 8271b866434SDaniel Borkmann * 8281b866434SDaniel Borkmann * Applications can retrieve information about a specific peer address 8291b866434SDaniel Borkmann * of an association, including its reachability state, congestion 8301b866434SDaniel Borkmann * window, and retransmission timer values. This information is 8311b866434SDaniel Borkmann * read-only. The following structure is used to access this 8321b866434SDaniel Borkmann * information: 8331b866434SDaniel Borkmann */ 8341b866434SDaniel Borkmann struct sctp_paddrinfo { 8351b866434SDaniel Borkmann sctp_assoc_t spinfo_assoc_id; 8361b866434SDaniel Borkmann struct sockaddr_storage spinfo_address; 8371b866434SDaniel Borkmann __s32 spinfo_state; 8381b866434SDaniel Borkmann __u32 spinfo_cwnd; 8391b866434SDaniel Borkmann __u32 spinfo_srtt; 8401b866434SDaniel Borkmann __u32 spinfo_rto; 8411b866434SDaniel Borkmann __u32 spinfo_mtu; 8421b866434SDaniel Borkmann } __attribute__((packed, aligned(4))); 8431b866434SDaniel Borkmann 8441b866434SDaniel Borkmann /* Peer addresses's state. */ 8451b866434SDaniel Borkmann /* UNKNOWN: Peer address passed by the upper layer in sendmsg or connect[x] 8461b866434SDaniel Borkmann * calls. 8471b866434SDaniel Borkmann * UNCONFIRMED: Peer address received in INIT/INIT-ACK address parameters. 8481b866434SDaniel Borkmann * Not yet confirmed by a heartbeat and not available for data 8491b866434SDaniel Borkmann * transfers. 8501b866434SDaniel Borkmann * ACTIVE : Peer address confirmed, active and available for data transfers. 8511b866434SDaniel Borkmann * INACTIVE: Peer address inactive and not available for data transfers. 8521b866434SDaniel Borkmann */ 8531b866434SDaniel Borkmann enum sctp_spinfo_state { 8541b866434SDaniel Borkmann SCTP_INACTIVE, 8551b866434SDaniel Borkmann SCTP_PF, 8561b866434SDaniel Borkmann SCTP_ACTIVE, 8571b866434SDaniel Borkmann SCTP_UNCONFIRMED, 8581b866434SDaniel Borkmann SCTP_UNKNOWN = 0xffff /* Value used for transport state unknown */ 8591b866434SDaniel Borkmann }; 8601b866434SDaniel Borkmann 8611b866434SDaniel Borkmann /* 8621b866434SDaniel Borkmann * 7.2.1 Association Status (SCTP_STATUS) 8631b866434SDaniel Borkmann * 8641b866434SDaniel Borkmann * Applications can retrieve current status information about an 8651b866434SDaniel Borkmann * association, including association state, peer receiver window size, 8661b866434SDaniel Borkmann * number of unacked data chunks, and number of data chunks pending 8671b866434SDaniel Borkmann * receipt. This information is read-only. The following structure is 8681b866434SDaniel Borkmann * used to access this information: 8691b866434SDaniel Borkmann */ 8701b866434SDaniel Borkmann struct sctp_status { 8711b866434SDaniel Borkmann sctp_assoc_t sstat_assoc_id; 8721b866434SDaniel Borkmann __s32 sstat_state; 8731b866434SDaniel Borkmann __u32 sstat_rwnd; 8741b866434SDaniel Borkmann __u16 sstat_unackdata; 8751b866434SDaniel Borkmann __u16 sstat_penddata; 8761b866434SDaniel Borkmann __u16 sstat_instrms; 8771b866434SDaniel Borkmann __u16 sstat_outstrms; 8781b866434SDaniel Borkmann __u32 sstat_fragmentation_point; 8791b866434SDaniel Borkmann struct sctp_paddrinfo sstat_primary; 8801b866434SDaniel Borkmann }; 8811b866434SDaniel Borkmann 8821b866434SDaniel Borkmann /* 8831b866434SDaniel Borkmann * 7.2.3. Get the list of chunks the peer requires to be authenticated 8841b866434SDaniel Borkmann * (SCTP_PEER_AUTH_CHUNKS) 8851b866434SDaniel Borkmann * 8861b866434SDaniel Borkmann * This option gets a list of chunks for a specified association that 8871b866434SDaniel Borkmann * the peer requires to be received authenticated only. 8881b866434SDaniel Borkmann */ 8891b866434SDaniel Borkmann struct sctp_authchunks { 8901b866434SDaniel Borkmann sctp_assoc_t gauth_assoc_id; 8911b866434SDaniel Borkmann __u32 gauth_number_of_chunks; 8921b866434SDaniel Borkmann uint8_t gauth_chunks[]; 8931b866434SDaniel Borkmann }; 8941b866434SDaniel Borkmann 8951b866434SDaniel Borkmann /* The broken spelling has been released already in lksctp-tools header, 8961b866434SDaniel Borkmann * so don't break anyone, now that it's fixed. 8971b866434SDaniel Borkmann */ 8981b866434SDaniel Borkmann #define guth_number_of_chunks gauth_number_of_chunks 8991b866434SDaniel Borkmann 9001b866434SDaniel Borkmann /* Association states. */ 9011b866434SDaniel Borkmann enum sctp_sstat_state { 9021b866434SDaniel Borkmann SCTP_EMPTY = 0, 9031b866434SDaniel Borkmann SCTP_CLOSED = 1, 9041b866434SDaniel Borkmann SCTP_COOKIE_WAIT = 2, 9051b866434SDaniel Borkmann SCTP_COOKIE_ECHOED = 3, 9061b866434SDaniel Borkmann SCTP_ESTABLISHED = 4, 9071b866434SDaniel Borkmann SCTP_SHUTDOWN_PENDING = 5, 9081b866434SDaniel Borkmann SCTP_SHUTDOWN_SENT = 6, 9091b866434SDaniel Borkmann SCTP_SHUTDOWN_RECEIVED = 7, 9101b866434SDaniel Borkmann SCTP_SHUTDOWN_ACK_SENT = 8, 9111b866434SDaniel Borkmann }; 9121b866434SDaniel Borkmann 9131b866434SDaniel Borkmann /* 9141b866434SDaniel Borkmann * 8.2.6. Get the Current Identifiers of Associations 9151b866434SDaniel Borkmann * (SCTP_GET_ASSOC_ID_LIST) 9161b866434SDaniel Borkmann * 9171b866434SDaniel Borkmann * This option gets the current list of SCTP association identifiers of 9181b866434SDaniel Borkmann * the SCTP associations handled by a one-to-many style socket. 9191b866434SDaniel Borkmann */ 9201b866434SDaniel Borkmann struct sctp_assoc_ids { 9211b866434SDaniel Borkmann __u32 gaids_number_of_ids; 9221b866434SDaniel Borkmann sctp_assoc_t gaids_assoc_id[]; 9231b866434SDaniel Borkmann }; 9241b866434SDaniel Borkmann 9251b866434SDaniel Borkmann /* 9261b866434SDaniel Borkmann * 8.3, 8.5 get all peer/local addresses in an association. 9271b866434SDaniel Borkmann * This parameter struct is used by SCTP_GET_PEER_ADDRS and 9281b866434SDaniel Borkmann * SCTP_GET_LOCAL_ADDRS socket options used internally to implement 9291b866434SDaniel Borkmann * sctp_getpaddrs() and sctp_getladdrs() API. 9301b866434SDaniel Borkmann */ 9311b866434SDaniel Borkmann struct sctp_getaddrs_old { 9321b866434SDaniel Borkmann sctp_assoc_t assoc_id; 9331b866434SDaniel Borkmann int addr_num; 9341b866434SDaniel Borkmann #ifdef __KERNEL__ 9351b866434SDaniel Borkmann struct sockaddr __user *addrs; 9361b866434SDaniel Borkmann #else 9371b866434SDaniel Borkmann struct sockaddr *addrs; 9381b866434SDaniel Borkmann #endif 9391b866434SDaniel Borkmann }; 9401b866434SDaniel Borkmann 9411b866434SDaniel Borkmann struct sctp_getaddrs { 9421b866434SDaniel Borkmann sctp_assoc_t assoc_id; /*input*/ 9431b866434SDaniel Borkmann __u32 addr_num; /*output*/ 9441b866434SDaniel Borkmann __u8 addrs[0]; /*output, variable size*/ 9451b866434SDaniel Borkmann }; 9461b866434SDaniel Borkmann 9471b866434SDaniel Borkmann /* A socket user request obtained via SCTP_GET_ASSOC_STATS that retrieves 9481b866434SDaniel Borkmann * association stats. All stats are counts except sas_maxrto and 9491b866434SDaniel Borkmann * sas_obs_rto_ipaddr. maxrto is the max observed rto + transport since 9501b866434SDaniel Borkmann * the last call. Will return 0 when RTO was not update since last call 9511b866434SDaniel Borkmann */ 9521b866434SDaniel Borkmann struct sctp_assoc_stats { 9531b866434SDaniel Borkmann sctp_assoc_t sas_assoc_id; /* Input */ 9541b866434SDaniel Borkmann /* Transport of observed max RTO */ 9551b866434SDaniel Borkmann struct sockaddr_storage sas_obs_rto_ipaddr; 9561b866434SDaniel Borkmann __u64 sas_maxrto; /* Maximum Observed RTO for period */ 9571b866434SDaniel Borkmann __u64 sas_isacks; /* SACKs received */ 9581b866434SDaniel Borkmann __u64 sas_osacks; /* SACKs sent */ 9591b866434SDaniel Borkmann __u64 sas_opackets; /* Packets sent */ 9601b866434SDaniel Borkmann __u64 sas_ipackets; /* Packets received */ 9611b866434SDaniel Borkmann __u64 sas_rtxchunks; /* Retransmitted Chunks */ 9621b866434SDaniel Borkmann __u64 sas_outofseqtsns;/* TSN received > next expected */ 9631b866434SDaniel Borkmann __u64 sas_idupchunks; /* Dups received (ordered+unordered) */ 9641b866434SDaniel Borkmann __u64 sas_gapcnt; /* Gap Acknowledgements Received */ 9651b866434SDaniel Borkmann __u64 sas_ouodchunks; /* Unordered data chunks sent */ 9661b866434SDaniel Borkmann __u64 sas_iuodchunks; /* Unordered data chunks received */ 9671b866434SDaniel Borkmann __u64 sas_oodchunks; /* Ordered data chunks sent */ 9681b866434SDaniel Borkmann __u64 sas_iodchunks; /* Ordered data chunks received */ 9691b866434SDaniel Borkmann __u64 sas_octrlchunks; /* Control chunks sent */ 9701b866434SDaniel Borkmann __u64 sas_ictrlchunks; /* Control chunks received */ 9711b866434SDaniel Borkmann }; 9721b866434SDaniel Borkmann 9731b866434SDaniel Borkmann /* 9741b866434SDaniel Borkmann * 8.1 sctp_bindx() 9751b866434SDaniel Borkmann * 9761b866434SDaniel Borkmann * The flags parameter is formed from the bitwise OR of zero or more of the 9771b866434SDaniel Borkmann * following currently defined flags: 9781b866434SDaniel Borkmann */ 9791b866434SDaniel Borkmann #define SCTP_BINDX_ADD_ADDR 0x01 9801b866434SDaniel Borkmann #define SCTP_BINDX_REM_ADDR 0x02 9811b866434SDaniel Borkmann 9821b866434SDaniel Borkmann /* This is the structure that is passed as an argument(optval) to 9831b866434SDaniel Borkmann * getsockopt(SCTP_SOCKOPT_PEELOFF). 9841b866434SDaniel Borkmann */ 9851b866434SDaniel Borkmann typedef struct { 9861b866434SDaniel Borkmann sctp_assoc_t associd; 9871b866434SDaniel Borkmann int sd; 9881b866434SDaniel Borkmann } sctp_peeloff_arg_t; 9891b866434SDaniel Borkmann 9902cb5c8e3SNeil Horman typedef struct { 9912cb5c8e3SNeil Horman sctp_peeloff_arg_t p_arg; 9922cb5c8e3SNeil Horman unsigned flags; 9932cb5c8e3SNeil Horman } sctp_peeloff_flags_arg_t; 9942cb5c8e3SNeil Horman 9951b866434SDaniel Borkmann /* 9961b866434SDaniel Borkmann * Peer Address Thresholds socket option 9971b866434SDaniel Borkmann */ 9981b866434SDaniel Borkmann struct sctp_paddrthlds { 9991b866434SDaniel Borkmann sctp_assoc_t spt_assoc_id; 10001b866434SDaniel Borkmann struct sockaddr_storage spt_address; 10011b866434SDaniel Borkmann __u16 spt_pathmaxrxt; 10021b866434SDaniel Borkmann __u16 spt_pathpfthld; 10031b866434SDaniel Borkmann }; 10041b866434SDaniel Borkmann 1005826d253dSXin Long /* 1006826d253dSXin Long * Socket Option for Getting the Association/Stream-Specific PR-SCTP Status 1007826d253dSXin Long */ 1008826d253dSXin Long struct sctp_prstatus { 1009826d253dSXin Long sctp_assoc_t sprstat_assoc_id; 1010826d253dSXin Long __u16 sprstat_sid; 1011826d253dSXin Long __u16 sprstat_policy; 1012826d253dSXin Long __u64 sprstat_abandoned_unsent; 1013826d253dSXin Long __u64 sprstat_abandoned_sent; 1014826d253dSXin Long }; 1015826d253dSXin Long 1016f959fb44SXin Long struct sctp_default_prinfo { 1017f959fb44SXin Long sctp_assoc_t pr_assoc_id; 1018f959fb44SXin Long __u32 pr_value; 1019f959fb44SXin Long __u16 pr_policy; 1020f959fb44SXin Long }; 1021f959fb44SXin Long 1022dca3f53cSPhil Sutter struct sctp_info { 1023dca3f53cSPhil Sutter __u32 sctpi_tag; 1024dca3f53cSPhil Sutter __u32 sctpi_state; 1025dca3f53cSPhil Sutter __u32 sctpi_rwnd; 1026dca3f53cSPhil Sutter __u16 sctpi_unackdata; 1027dca3f53cSPhil Sutter __u16 sctpi_penddata; 1028dca3f53cSPhil Sutter __u16 sctpi_instrms; 1029dca3f53cSPhil Sutter __u16 sctpi_outstrms; 1030dca3f53cSPhil Sutter __u32 sctpi_fragmentation_point; 1031dca3f53cSPhil Sutter __u32 sctpi_inqueue; 1032dca3f53cSPhil Sutter __u32 sctpi_outqueue; 1033dca3f53cSPhil Sutter __u32 sctpi_overall_error; 1034dca3f53cSPhil Sutter __u32 sctpi_max_burst; 1035dca3f53cSPhil Sutter __u32 sctpi_maxseg; 1036dca3f53cSPhil Sutter __u32 sctpi_peer_rwnd; 1037dca3f53cSPhil Sutter __u32 sctpi_peer_tag; 1038dca3f53cSPhil Sutter __u8 sctpi_peer_capable; 1039dca3f53cSPhil Sutter __u8 sctpi_peer_sack; 1040dca3f53cSPhil Sutter __u16 __reserved1; 1041dca3f53cSPhil Sutter 1042dca3f53cSPhil Sutter /* assoc status info */ 1043dca3f53cSPhil Sutter __u64 sctpi_isacks; 1044dca3f53cSPhil Sutter __u64 sctpi_osacks; 1045dca3f53cSPhil Sutter __u64 sctpi_opackets; 1046dca3f53cSPhil Sutter __u64 sctpi_ipackets; 1047dca3f53cSPhil Sutter __u64 sctpi_rtxchunks; 1048dca3f53cSPhil Sutter __u64 sctpi_outofseqtsns; 1049dca3f53cSPhil Sutter __u64 sctpi_idupchunks; 1050dca3f53cSPhil Sutter __u64 sctpi_gapcnt; 1051dca3f53cSPhil Sutter __u64 sctpi_ouodchunks; 1052dca3f53cSPhil Sutter __u64 sctpi_iuodchunks; 1053dca3f53cSPhil Sutter __u64 sctpi_oodchunks; 1054dca3f53cSPhil Sutter __u64 sctpi_iodchunks; 1055dca3f53cSPhil Sutter __u64 sctpi_octrlchunks; 1056dca3f53cSPhil Sutter __u64 sctpi_ictrlchunks; 1057dca3f53cSPhil Sutter 1058dca3f53cSPhil Sutter /* primary transport info */ 1059dca3f53cSPhil Sutter struct sockaddr_storage sctpi_p_address; 1060dca3f53cSPhil Sutter __s32 sctpi_p_state; 1061dca3f53cSPhil Sutter __u32 sctpi_p_cwnd; 1062dca3f53cSPhil Sutter __u32 sctpi_p_srtt; 1063dca3f53cSPhil Sutter __u32 sctpi_p_rto; 1064dca3f53cSPhil Sutter __u32 sctpi_p_hbinterval; 1065dca3f53cSPhil Sutter __u32 sctpi_p_pathmaxrxt; 1066dca3f53cSPhil Sutter __u32 sctpi_p_sackdelay; 1067dca3f53cSPhil Sutter __u32 sctpi_p_sackfreq; 1068dca3f53cSPhil Sutter __u32 sctpi_p_ssthresh; 1069dca3f53cSPhil Sutter __u32 sctpi_p_partial_bytes_acked; 1070dca3f53cSPhil Sutter __u32 sctpi_p_flight_size; 1071dca3f53cSPhil Sutter __u16 sctpi_p_error; 1072dca3f53cSPhil Sutter __u16 __reserved2; 1073dca3f53cSPhil Sutter 1074dca3f53cSPhil Sutter /* sctp sock info */ 1075dca3f53cSPhil Sutter __u32 sctpi_s_autoclose; 1076dca3f53cSPhil Sutter __u32 sctpi_s_adaptation_ind; 1077dca3f53cSPhil Sutter __u32 sctpi_s_pd_point; 1078dca3f53cSPhil Sutter __u8 sctpi_s_nodelay; 1079dca3f53cSPhil Sutter __u8 sctpi_s_disable_fragments; 1080dca3f53cSPhil Sutter __u8 sctpi_s_v4mapped; 1081dca3f53cSPhil Sutter __u8 sctpi_s_frag_interleave; 1082dca3f53cSPhil Sutter __u32 sctpi_s_type; 1083dca3f53cSPhil Sutter __u32 __reserved3; 1084dca3f53cSPhil Sutter }; 1085dca3f53cSPhil Sutter 10867f9d68acSXin Long struct sctp_reset_streams { 10877f9d68acSXin Long sctp_assoc_t srs_assoc_id; 10887f9d68acSXin Long uint16_t srs_flags; 10897f9d68acSXin Long uint16_t srs_number_streams; /* 0 == ALL */ 10907f9d68acSXin Long uint16_t srs_stream_list[]; /* list if srs_num_streams is not 0 */ 10917f9d68acSXin Long }; 10927f9d68acSXin Long 1093242bd2d5SXin Long struct sctp_add_streams { 1094242bd2d5SXin Long sctp_assoc_t sas_assoc_id; 1095242bd2d5SXin Long uint16_t sas_instrms; 1096242bd2d5SXin Long uint16_t sas_outstrms; 1097242bd2d5SXin Long }; 1098242bd2d5SXin Long 10995bbbbe32SMarcelo Ricardo Leitner /* SCTP Stream schedulers */ 11005bbbbe32SMarcelo Ricardo Leitner enum sctp_sched_type { 11015bbbbe32SMarcelo Ricardo Leitner SCTP_SS_FCFS, 1102637784adSMarcelo Ricardo Leitner SCTP_SS_PRIO, 1103*ac1ed8b8SMarcelo Ricardo Leitner SCTP_SS_RR, 1104*ac1ed8b8SMarcelo Ricardo Leitner SCTP_SS_MAX = SCTP_SS_RR 11055bbbbe32SMarcelo Ricardo Leitner }; 11065bbbbe32SMarcelo Ricardo Leitner 11071b866434SDaniel Borkmann #endif /* _UAPI_SCTP_H */ 1108